Drupal → Получить текущий заголовок страницы

$request = \Drupal::request();
$route_match = \Drupal::routeMatch();
$page_title = \Drupal::service('title_resolver')->getTitle($request, $route_match->getRouteObject());

$request = \Drupal::request();
$route = $request->attributes->get(RouteObjectInterface::ROUTE_OBJECT);
$page_title = \Drupal::service('title_resolver')->getTitle($request, $route);